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<p class="msipheaderc58f5b21" align="Right" style="margin:0"><span style="font-size:12.0pt;font-family:Calibri;color:#FF8C00">CONFIDENTIAL & RESTRICTED</span></p>
<br>
<div class="WordSection1">
<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We are currently trying to improve one of our SSO component based on Shibboleth sp 3 v3.2.0<o:p></o:p></p>
<p class="MsoNormal">I an addition we are using Apache v2.4.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Both of them are contained inside a docker container.<o:p></o:p></p>
<p class="MsoNormal">It is working fine with our current use cases.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">These use cases were until now with a low numbers of connections, we are now trying to support a traffic of 100 transaction per second.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">After some changes in the configuration we are now struggling with the memory consumption.<o:p></o:p></p>
<p class="MsoNormal">It keeps increasing until reaching the maximum size allowed to our container and then the response time becomes unstable.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regarding the recommendation done we are using the following settings:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-We are loading the module mpm_event_module modules/mod_mpm_event.so<o:p></o:p></p>
<p class="MsoNormal">(LoadModule mpm_event_module modules/mod_mpm_event.so in our apache mpm-conf)<o:p></o:p></p>
<p class="MsoNormal">If my understanding is correct, it means the version is not prefork.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Our shibboleth configuration is in attached file.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We tried to setup a UnixListener with a stack size to override the default one as advised in the documentation but we did not get any significant improvement.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We are running out of ideas and would like to know if you have any clues that could help us to solve our memory issue with a heavy load.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance for your Help.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Alban<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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